"If the engines fail, they will be removed", an Air NZ engineer says in the staff video, detailing the Rolls Royce engine checks.
They say any further impact to the airline's schedule will be determined after the checks have been completed on Friday evening.
It's rumoured the national airline will announce Chicago as a new long-haul destination today.
The Minister of Economic Development's comments follow a recent Air NZ decision to cut flights between Kapiti Coast and Christchurch.
"Bridges would have realised that at some point he was going to have to confront Ross. To delay that day of reckoning was to damage both himself and the party," writes our columnist.